ONE question:

Does the fuel rail on the X250 supercharged 3.0 Litre have a Schrader valve fitting built into the rail?

 

Based on this article you will never find a schrader valve on a direct injected motor so I'm guessing it's highly unlikely but not impossible. it says you'd measure pressures via a scan tool. Ford stopped putting schrader valves on fuel rails when they swapped from return to returnless fuel systems around 2000.

Direct Injection Gas and Diesel Technology - Engine Builder Magazine

 

darn...ok...thanks for the clearing that up. Great article btw!!!